<template>
    <div style="border: 1px solid #ccc">
        <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" />
        <Editor style="height: 500px; overflow-y: hidden;" v-model="props.modelValue" 
        @onChange="onChange"
        @onCreated="handleCreated" />
    </div>
</template>
<script setup lang="ts">
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()

// 内容 HTML
//const valueHtml = ref('<p>hello</p>')


//定义了传递默认类型 
const props = defineProps({
    modelValue: {
        type: String,
        default: ''
    }
})
//告知父类要拿上什么东西
const emit = defineEmits(['update:modelValue'])


// 模拟 ajax 异步获取内容
onMounted(() => {
    // setTimeout(() => {
    //     valueHtml.value = '<p>模拟 Ajax 异步设置内容</p>'
    // }, 1500)
})

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
    const editor = editorRef.value
    if (editor == null) return
    editor.destroy()
})

const handleCreated = (editor: any) => {
    editorRef.value = editor // 记录 editor 实例，重要！
}
const onChange = (editor: any) => {
   console.log("1234=", editor.children);
    emit("update:modelValue", editor.getHtml())
    console.log(editor.getHtml());
    
}


</script>